30228634 has 4 divisors (see below), whose sum is σ = 45342954. Its totient is φ = 15114316.

The previous prime is 30228607. The next prime is 30228637. The reversal of 30228634 is 43682203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43682203 = 521 ⋅83843.

It can be written as a sum of positive squares in only one way, i.e., 29975625 + 253009 = 5475^2 + 503^2 .

It is not an unprimeable number, because it can be changed into a prime (30228637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7557157 + ... + 7557160.

Almost surely, 2^30228634 is an apocalyptic number.

30228634 is a deficient number, since it is larger than the sum of its proper divisors (15114320).

30228634 is a wasteful number, since it uses less digits than its factorization.

30228634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15114319.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 30228634 is about 5498.0572932628. The cubic root of 30228634 is about 311.5106082251.

It can be divided in two parts, 302 and 28634, that multiplied together give a palindrome (8647468).

The spelling of 30228634 in words is "thirty million, two hundred twenty-eight thousand, six hundred thirty-four".